20138704

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{8017}}^1$

素因数の和:8182

約数の個数: 20

約数和(自身を含む): 39272164

約数和(自身を除く): 19133460

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 8017, 16034, 32068, 64136, 128272, 1258669, 2517338, 5034676, 10069352, 20138704]

約数ペア:

[(1, 20138704), (2, 10069352), (4, 5034676), (8, 2517338), (16, 1258669), (157, 128272), (314, 64136), (628, 32068), (1256, 16034), (2512, 8017)]